Rare purple star sapphire, claimed to be biggest of its kind, unveiled in Sri Lanka
A 3,563-carat purple star sapphire, claimed to be the world’s largest of its kind, was unveiled on Saturday in Colombo, Sri Lanka. The owners say they’re willing to sell, with the gem valued at roughly $300 million or more. source http://www.adaderana.lk/news.php?nid=117251